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<?php |
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/* |
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* This file is part of the MobileNotif package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace LinkValue\MobileNotif\Client; |
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use LinkValue\MobileNotif\Logger\ClientLoggableTrait; |
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use LinkValue\MobileNotif\Exception\PushException; |
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use LinkValue\MobileNotif\Model\Message; |
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use Psr\Log\NullLogger; |
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/** |
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* Apple Push Notification Service client implementation. |
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* |
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* @author Jamal Youssefi <[email protected]> |
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* @author Valentin Coulon <[email protected]> |
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*/ |
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class ApnsClient implements ClientInterface |
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{ |
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use ClientLoggableTrait; |
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/** |
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* Push server params. |
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* |
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* @var array |
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*/ |
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private $params; |
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/** |
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* Constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->logger = new NullLogger(); |
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} |
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/** |
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* Set up parameters. |
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* |
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* @param array $params |
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* |
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* @throws \RuntimeException |
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*/ |
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public function setUp(array $params) |
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{ |
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if (empty($params['endpoint'])) { |
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throw new \RuntimeException('Parameter "endpoint" cannot be empty.'); |
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} |
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if (empty($params['ssl_pem_path'])) { |
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throw new \RuntimeException('Parameter "ssl_pem_path" cannot be empty.'); |
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} |
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if (!is_readable($params['ssl_pem_path'])) { |
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throw new \RuntimeException('"ssl_pem_path" file does not exist or is not readable.'); |
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} |
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$this->params = $params; |
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} |
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/** |
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* Send $message to a mobile client. |
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* |
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* @param Message $message |
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* |
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* @throws \RuntimeException if setUp method was not called. |
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* @throws PushException if connection to APNS server failed. |
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*/ |
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public function push(Message $message) |
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{ |
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if (empty($this->params)) { |
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throw new \RuntimeException('Please set up this client using setUp() method before pushing messages.'); |
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} |
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$tokens = $message->getTokens(); |
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if (empty($tokens)) { |
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throw new \RuntimeException('No device token set. Please add at least 1 token using Message::addToken() before trying to push the message.'); |
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} |
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$this->logger->info('Connecting to APNS server'); |
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$stream = $this->getStreamSocketClient(); |
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$payload = $message->getPayloadAsJson(); |
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foreach ($tokens as $token) { |
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$this->logger->info('Sending message to APNS server.', array( |
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'deviceToken' => $token, |
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'payload' => $payload, |
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)); |
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$this->writePayloadOnStreamForGivenToken($payload, $stream, $token); |
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} |
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fclose($stream); |
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} |
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/** |
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* Get the Stream socket client. |
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* |
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* Connect to the APNS server and open a client socket to it. |
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* |
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* @return resource Socket to the APNS server. |
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* |
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* @throws PushException if connection to APNS server failed. |
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*/ |
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private function getStreamSocketClient() |
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{ |
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$stream_socket_client = stream_socket_client( |
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$this->params['endpoint'], |
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$errno, |
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$errstr, |
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30, |
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STREAM_CLIENT_CONNECT | STREAM_CLIENT_PERSISTENT, |
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$this->getStreamContext() |
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); |
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if ($stream_socket_client === false) { |
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throw new PushException('An error occurred while trying to contact APNS server.'); |
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} |
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return $stream_socket_client; |
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} |
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/** |
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* Get secured stream context from SSL certificate. |
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* |
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* @return resource |
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*/ |
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private function getStreamContext() |
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{ |
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$context = array( |
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'ssl' => array( |
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'local_cert' => $this->params['ssl_pem_path'], |
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), |
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); |
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// Handle Certificate Bundle passphrase |
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if (!empty($this->params['ssl_passphrase'])) { |
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$context['ssl']['passphrase'] = $this->params['ssl_passphrase']; |
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} |
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return stream_context_create($context); |
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} |
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/** |
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* Write $payload on $stream, it will be sent to given device $token. |
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* |
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* @param $payload |
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* @param $stream |
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* @param $token |
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*/ |
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private function writePayloadOnStreamForGivenToken($payload, $stream, $token) |
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{ |
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$binaryMessage = sprintf('%s%s%s%s%s', |
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chr(0), |
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pack('n', 32), |
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pack('H*', str_replace(' ', '', $token)), |
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pack('n', strlen($payload)), |
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$payload |
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); |
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fwrite($stream, $binaryMessage, strlen($binaryMessage)); |
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} |
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} |
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LinkValue /
MobileNotif
